12001102011 has 48 divisors (see below), whose sum is σ = 17866517760. Its totient is φ = 7759514880.

The previous prime is 12001102007. The next prime is 12001102037. The reversal of 12001102011 is 11020110021.

It is a happy number.

12001102011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12001102011 - 2² = 12001102007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12001101984 and 12001102002.

It is not an unprimeable number, because it can be changed into a prime (12001102051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19770870 + ... + 19771476.

It is an arithmetic number, because the mean of its divisors is an integer number (372219120).

Almost surely, 2^12001102011 is an apocalyptic number.

12001102011 is a deficient number, since it is larger than the sum of its proper divisors (5865415749).

12001102011 is a wasteful number, since it uses less digits than its factorization.

12001102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076 (or 1073 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 12001102011 its reverse (11020110021), we get a palindrome (23021212032).

The spelling of 12001102011 in words is "twelve billion, one million, one hundred two thousand, eleven".